use strict;
use warnings;
+
use IO::File;
-use IO::Handle qw( );
-use PVE::Tools qw(run_command trim);
-use PVE::Storage::Plugin;
+use JSON;
+use Net::IP;
+
+use PVE::CephConfig;
use PVE::JSONSchema qw(get_standard_option);
+use PVE::ProcFSTools;
+use PVE::RADOS;
+use PVE::Storage::Plugin;
+use PVE::Tools qw(run_command trim);
use base qw(PVE::Storage::Plugin);
-sub rbd_unittobytes {
- {
- "M" => 1024*1024,
- "G" => 1024*1024*1024,
- "T" => 1024*1024*1024*1024,
- }
-}
+my $get_parent_image_name = sub {
+ my ($parent) = @_;
+ return undef if !$parent;
+ return $parent->{image} . "@" . $parent->{snapshot};
+};
my $add_pool_to_disk = sub {
my ($scfg, $disk) = @_;
return "$pool/$disk";
};
-my $rbd_cmd = sub {
- my ($scfg, $storeid, $op, @options) = @_;
-
- my $monhost = $scfg->{monhost};
- $monhost =~ s/;/,/g;
+my $build_cmd = sub {
+ my ($binary, $scfg, $storeid, $op, @options) = @_;
- my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring";
+ my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid);
my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
- my $username = $scfg->{username} ? $scfg->{username} : 'admin';
- my $cmd = ['/usr/bin/rbd', '-p', $pool, '-m', $monhost];
+ my $cmd = [$binary, '-p', $pool];
- if(-e $keyring){
- push @$cmd, '-n', "client.$username";
- push @$cmd, '--keyring', $keyring;
- push @$cmd, '--auth_supported', 'cephx';
- }else{
- push @$cmd, '--auth_supported', 'none';
- }
+ push @$cmd, '-c', $cmd_option->{ceph_conf} if ($cmd_option->{ceph_conf});
+ push @$cmd, '-m', $cmd_option->{mon_host} if ($cmd_option->{mon_host});
+ push @$cmd, '--auth_supported', $cmd_option->{auth_supported} if ($cmd_option->{auth_supported});
+ push @$cmd, '-n', "client.$cmd_option->{userid}" if ($cmd_option->{userid});
+ push @$cmd, '--keyring', $cmd_option->{keyring} if ($cmd_option->{keyring});
push @$cmd, $op;
return $cmd;
};
+my $rbd_cmd = sub {
+ my ($scfg, $storeid, $op, @options) = @_;
+
+ return $build_cmd->('/usr/bin/rbd', $scfg, $storeid, $op, @options);
+};
+
my $rados_cmd = sub {
my ($scfg, $storeid, $op, @options) = @_;
- my $monhost = $scfg->{monhost};
- $monhost =~ s/;/,/g;
+ return $build_cmd->('/usr/bin/rados', $scfg, $storeid, $op, @options);
+};
- my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring";
- my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
- my $username = $scfg->{username} ? $scfg->{username} : 'admin';
+my $librados_connect = sub {
+ my ($scfg, $storeid, $options) = @_;
- my $cmd = ['/usr/bin/rados', '-p', $pool, '-m', $monhost];
+ my $librados_config = PVE::CephConfig::ceph_connect_option($scfg, $storeid);
- if(-e $keyring){
- push @$cmd, '-n', "client.$username";
- push @$cmd, '--keyring', $keyring;
- push @$cmd, '--auth_supported', 'cephx';
- }else{
- push @$cmd, '--auth_supported', 'none';
+ my $rados = PVE::RADOS->new(%$librados_config);
+
+ return $rados;
+};
+
+# needed for volumes created using ceph jewel (or higher)
+my $krbd_feature_update = sub {
+ my ($scfg, $storeid, $name) = @_;
+
+ my (@disable, @enable);
+ my ($kmajor, $kminor) = PVE::ProcFSTools::kernel_version();
+
+ if ($kmajor > 5 || $kmajor == 5 && $kminor >= 3) {
+ # 'deep-flatten' can only be disabled, not enabled after image creation
+ push @enable, 'fast-diff', 'object-map';
+ } else {
+ push @disable, 'fast-diff', 'object-map', 'deep-flatten';
}
- push @$cmd, $op;
+ if ($kmajor >= 5) {
+ push @enable, 'exclusive-lock';
+ } else {
+ push @disable, 'exclusive-lock';
+ }
- push @$cmd, @options if scalar(@options);
+ my $active_features_list = (rbd_volume_info($scfg, $storeid, $name))[4];
+ my $active_features = { map { $_ => 1 } @$active_features_list };
- return $cmd;
+ my $to_disable = join(',', grep { $active_features->{$_} } @disable);
+ my $to_enable = join(',', grep { !$active_features->{$_} } @enable );
+
+ if ($to_disable) {
+ print "disable RBD image features this kernel RBD drivers is not compatible with: $to_disable\n";
+ my $cmd = $rbd_cmd->($scfg, $storeid, 'feature', 'disable', $name, $to_disable);
+ run_rbd_command(
+ $cmd,
+ errmsg => "could not disable krbd-incompatible image features '$to_disable' for rbd image: $name",
+ );
+ }
+ if ($to_enable) {
+ print "enable RBD image features this kernel RBD drivers supports: $to_enable\n";
+ eval {
+ my $cmd = $rbd_cmd->($scfg, $storeid, 'feature', 'enable', $name, $to_enable);
+ run_rbd_command(
+ $cmd,
+ errmsg => "could not enable krbd-compatible image features '$to_enable' for rbd image: $name",
+ );
+ };
+ warn "$@" if $@;
+ }
};
sub run_rbd_command {
my $lasterr;
my $errmsg = $args{errmsg} . ": " || "";
- if (!exists $args{errfunc}) {
+ if (!exists($args{errfunc})) {
# ' error: 2014-02-06 11:51:59.839135 7f09f94d0760 -1 librbd: snap_unprotect: can't unprotect;
# at least 1 child(ren) in pool cephstor1
$args{errfunc} = sub {
- my $line = shift;
- if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) {
- $lasterr = $1 . "\n";
- } else {
- $lasterr = $line;
- }
- print STDERR $lasterr;
- STDERR->flush();
- };
+ my $line = shift;
+ if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) {
+ $lasterr = "$1\n";
+ } else {
+ $lasterr = $line;
+ }
+ print STDERR $lasterr;
+ *STDERR->flush();
+ };
+ }
+
+ eval { run_command($cmd, %args); };
+ if (my $err = $@) {
+ die $errmsg . $lasterr if length($lasterr);
+ die $err;
}
- my $r;
- eval {
- $r = run_command($cmd, %args);
- };
-
- die $errmsg . $lasterr if $@ && length $lasterr;
- die $@ if $@;
-
- return $r;
+ return undef;
}
sub rbd_ls {
my ($scfg, $storeid) = @_;
- my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l');
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l', '--format', 'json');
my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
- my $list = {};
-
- my $parser = sub {
- my $line = shift;
-
- if ($line =~ m/^((vm|base)-(\d+)-disk-\d+)\s+(\d+)(M|G|T)\s((\S+)\/((vm|base)-\d+-\S+@\S+))?/) {
- my ($image, $owner, $size, $unit, $parent) = ($1, $3, $4, $5, $8);
-
- $list->{$pool}->{$image} = {
- name => $image,
- size => $size*rbd_unittobytes()->{$unit},
- parent => $parent,
- vmid => $owner
- };
- }
- };
+ my $raw = '';
+ my $parser = sub { $raw .= shift };
eval {
run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
my $err = $@;
die $err if $err && $err !~ m/doesn't contain rbd images/ ;
-
- return $list;
-}
-sub rbd_volume_info {
- my ($scfg, $storeid, $volname, $snap) = @_;
+ my $result;
+ if ($raw eq '') {
+ $result = [];
+ } elsif ($raw =~ m/^(\[.*\])$/s) { # untaint
+ $result = JSON::decode_json($1);
+ } else {
+ die "got unexpected data from rbd ls: '$raw'\n";
+ }
- my $cmd = undef;
+ my $list = {};
- if($snap){
- $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname, '--snap', $snap);
- }else{
- $cmd = &$rbd_cmd($scfg, $storeid, 'info', $volname);
+ foreach my $el (@$result) {
+ next if defined($el->{snapshot});
+
+ my $image = $el->{image};
+
+ my ($owner) = $image =~ m/^(?:vm|base)-(\d+)-/;
+ next if !defined($owner);
+
+ $list->{$pool}->{$image} = {
+ name => $image,
+ size => $el->{size},
+ parent => $get_parent_image_name->($el->{parent}),
+ vmid => $owner
+ };
}
- my $size = undef;
- my $parent = undef;
- my $format = undef;
- my $protected = undef;
+ return $list;
+}
- my $parser = sub {
- my $line = shift;
+sub rbd_ls_snap {
+ my ($scfg, $storeid, $name) = @_;
- if ($line =~ m/size (\d+) (M|G|T)B in (\d+) objects/) {
- $size = $1 * rbd_unittobytes()->{$2} if ($1);
- } elsif ($line =~ m/parent:\s(\S+)\/(\S+)/) {
- $parent = $2;
- } elsif ($line =~ m/format:\s(\d+)/) {
- $format = $1;
- } elsif ($line =~ m/protected:\s(\S+)/) {
- $protected = 1 if $1 eq "True";
- }
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'ls', $name, '--format', 'json');
- };
+ my $raw = '';
+ run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => sub { $raw .= shift; });
- run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+ my $list;
+ if ($raw =~ m/^(\[.*\])$/s) { # untaint
+ $list = eval { JSON::decode_json($1) };
+ die "invalid JSON output from 'rbd snap ls $name': $@\n" if $@;
+ } else {
+ die "got unexpected data from 'rbd snap ls $name': '$raw'\n";
+ }
- return ($size, $parent, $format, $protected);
+ $list = [] if !defined($list);
+
+ my $res = {};
+ foreach my $el (@$list) {
+ my $snap = $el->{name};
+ my $protected = defined($el->{protected}) && $el->{protected} eq "true" ? 1 : undef;
+ $res->{$snap} = {
+ name => $snap,
+ id => $el->{id} // undef,
+ size => $el->{size} // 0,
+ protected => $protected,
+ };
+ }
+ return $res;
}
-sub addslashes {
- my $text = shift;
- $text =~ s/;/\\;/g;
- $text =~ s/:/\\:/g;
- return $text;
-}
+sub rbd_volume_info {
+ my ($scfg, $storeid, $volname, $snap) = @_;
-# Configuration
+ my $cmd = undef;
-PVE::JSONSchema::register_format('pve-storage-monhost', \&parse_monhost);
-sub parse_monhost {
- my ($name, $noerr) = @_;
+ my @options = ('info', $volname, '--format', 'json');
+ if ($snap) {
+ push @options, '--snap', $snap;
+ }
+
+ $cmd = &$rbd_cmd($scfg, $storeid, @options);
+
+ my $raw = '';
+ my $parser = sub { $raw .= shift };
+
+ run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
- if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
- return undef if $noerr;
- die "lvm name '$name' contains illegal characters\n";
+ my $volume;
+ if ($raw eq '') {
+ $volume = {};
+ } elsif ($raw =~ m/^(\{.*\})$/s) { # untaint
+ $volume = JSON::decode_json($1);
+ } else {
+ die "got unexpected data from rbd info: '$raw'\n";
}
- return $name;
+ $volume->{parent} = $get_parent_image_name->($volume->{parent});
+ $volume->{protected} = defined($volume->{protected}) && $volume->{protected} eq "true" ? 1 : undef;
+
+ return $volume->@{qw(size parent format protected features)};
}
+# Configuration
+
sub type {
return 'rbd';
}
sub plugindata {
return {
- content => [ {images => 1}, { images => 1 }],
+ content => [ {images => 1, rootdir => 1}, { images => 1 }],
};
}
sub properties {
return {
monhost => {
- description => "Monitors daemon ips.",
- type => 'string',
+ description => "IP addresses of monitors (for external clusters).",
+ type => 'string', format => 'pve-storage-portal-dns-list',
},
pool => {
description => "Pool.",
description => "Authsupported.",
type => 'string',
},
+ krbd => {
+ description => "Always access rbd through krbd kernel module.",
+ type => 'boolean',
+ },
};
}
return {
nodes => { optional => 1 },
disable => { optional => 1 },
- monhost => { fixed => 1 },
+ monhost => { optional => 1},
pool => { optional => 1 },
username => { optional => 1 },
content => { optional => 1 },
+ krbd => { optional => 1 },
+ bwlimit => { optional => 1 },
};
}
# Storage implementation
+sub on_add_hook {
+ my ($class, $storeid, $scfg, %param) = @_;
+
+ return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph
+
+ PVE::CephConfig::ceph_create_keyfile($scfg->{type}, $storeid);
+
+ return;
+}
+
+sub on_delete_hook {
+ my ($class, $storeid, $scfg) = @_;
+
+ return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph
+
+ PVE::CephConfig::ceph_remove_keyfile($scfg->{type}, $storeid);
+
+ return;
+}
+
sub parse_volname {
my ($class, $volname) = @_;
if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) {
- return ('images', $4, $7, $2, $3, $5);
+ return ('images', $4, $7, $2, $3, $5, 'raw');
}
die "unable to parse rbd volume name '$volname'\n";
sub path {
my ($class, $scfg, $volname, $storeid, $snapname) = @_;
+ my $cmd_option = PVE::CephConfig::ceph_connect_option($scfg, $storeid);
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
$name .= '@'.$snapname if $snapname;
- my $monhost = addslashes($scfg->{monhost});
my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
- my $username = $scfg->{username} ? $scfg->{username} : 'admin';
+ return ("/dev/rbd/$pool/$name", $vmid, $vtype) if $scfg->{krbd};
- my $path = "rbd:$pool/$name:mon_host=$monhost";
- my $keyring = "/etc/pve/priv/ceph/${storeid}.keyring";
+ my $path = "rbd:$pool/$name";
- if(-e $keyring ){
- $path .= ":id=$username:auth_supported=cephx:keyring=$keyring";
- }else{
- $path .= ":auth_supported=none";
+ $path .= ":conf=$cmd_option->{ceph_conf}" if $cmd_option->{ceph_conf};
+ if (defined($scfg->{monhost})) {
+ my $monhost = PVE::CephConfig::hostlist($scfg->{monhost}, ';');
+ $monhost =~ s/:/\\:/g;
+ $path .= ":mon_host=$monhost";
+ $path .= ":auth_supported=$cmd_option->{auth_supported}";
}
+ $path .= ":id=$cmd_option->{userid}:keyring=$cmd_option->{keyring}" if ($cmd_option->{keyring});
+
return ($path, $vmid, $vtype);
}
-my $find_free_diskname = sub {
- my ($storeid, $scfg, $vmid) = @_;
+sub find_free_diskname {
+ my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
- my $rbd = rbd_ls($scfg, $storeid);
- my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
- my $disk_ids = {};
- my $dat = $rbd->{$pool};
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'ls');
+ my $disk_list = [];
- foreach my $image (keys %$dat) {
- my $volname = $dat->{$image}->{name};
- if ($volname =~ m/(vm|base)-$vmid-disk-(\d+)/){
- $disk_ids->{$2} = 1;
+ my $parser = sub {
+ my $line = shift;
+ if ($line =~ m/^(.*)$/) { # untaint
+ push @$disk_list, $1;
}
- }
- #fix: can we search in $rbd hash key with a regex to find (vm|base) ?
- for (my $i = 1; $i < 100; $i++) {
- if (!$disk_ids->{$i}) {
- return "vm-$vmid-disk-$i";
- }
- }
+ };
- die "unable to allocate an image name for VM $vmid in storage '$storeid'\n";
-};
+ eval {
+ run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser);
+ };
+ my $err = $@;
+
+ die $err if $err && $err !~ m/doesn't contain rbd images/;
+
+ return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg);
+}
sub create_base {
my ($class, $storeid, $scfg, $volname) = @_;
if (!$protected){
my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap);
- run_rbd_command($cmd, errmsg => "rbd protect $newname snap $snap' error");
+ run_rbd_command($cmd, errmsg => "rbd protect $newname snap '$snap' error");
}
return $newvolname;
}
sub clone_image {
- my ($class, $scfg, $storeid, $volname, $vmid) = @_;
+ my ($class, $scfg, $storeid, $volname, $vmid, $snapname) = @_;
my $snap = '__base__';
+ $snap = $snapname if length $snapname;
my ($vtype, $basename, $basevmid, undef, undef, $isBase) =
$class->parse_volname($volname);
- die "clone_image onyl works on base images\n" if !$isBase;
+ die "$volname is not a base image and snapname is not provided\n"
+ if !$isBase && !length($snapname);
- my $name = &$find_free_diskname($storeid, $scfg, $vmid);
+ my $name = $class->find_free_diskname($storeid, $scfg, $vmid);
- warn "clone $volname: $basename to $name\n";
+ warn "clone $volname: $basename snapname $snap to $name\n";
+
+ if (length($snapname)) {
+ my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $volname, $snapname);
+
+ if (!$protected) {
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $volname, '--snap', $snapname);
+ run_rbd_command($cmd, errmsg => "rbd protect $volname snap $snapname error");
+ }
+ }
my $newvol = "$basename/$name";
+ $newvol = $name if length($snapname);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', &$add_pool_to_disk($scfg, $basename),
+ '--snap', $snap, &$add_pool_to_disk($scfg, $name));
- my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', &$add_pool_to_disk($scfg, $basename), '--snap', $snap, &$add_pool_to_disk($scfg, $name));
run_rbd_command($cmd, errmsg => "rbd clone '$basename' error");
return $newvol;
my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
- die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
+ die "illegal name '$name' - should be 'vm-$vmid-*'\n"
if $name && $name !~ m/^vm-$vmid-/;
- $name = &$find_free_diskname($storeid, $scfg, $vmid);
+ $name = $class->find_free_diskname($storeid, $scfg, $vmid) if !$name;
my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--image-format' , 2, '--size', int(($size+1023)/1024), $name);
run_rbd_command($cmd, errmsg => "rbd create $name' error");
my ($vtype, $name, $vmid, undef, undef, undef) =
$class->parse_volname($volname);
- if ($isBase) {
- my $snap = '__base__';
- my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap);
- if ($protected){
+ my $snaps = rbd_ls_snap($scfg, $storeid, $name);
+ foreach my $snap (keys %$snaps) {
+ if ($snaps->{$snap}->{protected}) {
my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap);
- run_rbd_command($cmd, errmsg => "rbd unprotect $name snap $snap' error");
+ run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error");
}
}
+ $class->deactivate_volume($storeid, $scfg, $volname);
+
my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $name);
run_rbd_command($cmd, errmsg => "rbd snap purge '$volname' error");
my $res = [];
if (my $dat = $cache->{rbd}->{$pool}) {
- foreach my $image (keys %$dat) {
+ foreach my $image (keys %$dat) {
+
+ my $info = $dat->{$image};
- my $volname = $dat->{$image}->{name};
+ my $volname = $info->{name};
+ my $parent = $info->{parent};
+ my $owner = $info->{vmid};
- my $volid = "$storeid:$volname";
+ if ($parent && $parent =~ m/^(base-\d+-\S+)\@__base__$/) {
+ $info->{volid} = "$storeid:$1/$volname";
+ } else {
+ $info->{volid} = "$storeid:$volname";
+ }
- my $owner = $dat->{$volname}->{vmid};
- if ($vollist) {
- my $found = grep { $_ eq $volid } @$vollist;
- next if !$found;
- } else {
- next if defined ($vmid) && ($owner ne $vmid);
- }
+ if ($vollist) {
+ my $found = grep { $_ eq $info->{volid} } @$vollist;
+ next if !$found;
+ } else {
+ next if defined ($vmid) && ($owner ne $vmid);
+ }
- my $info = $dat->{$volname};
- $info->{volid} = $volid;
$info->{format} = 'raw';
- push @$res, $info;
- }
+ push @$res, $info;
+ }
}
return $res;
sub status {
my ($class, $storeid, $scfg, $cache) = @_;
- my $cmd = &$rados_cmd($scfg, $storeid, 'df');
- my $stats = {};
-
- my $parser = sub {
- my $line = shift;
- if ($line =~ m/^\s+total\s(\S+)\s+(\d+)/) {
- $stats->{$1} = $2;
- }
- };
+ my $rados = &$librados_connect($scfg, $storeid);
+ my $df = $rados->mon_command({ prefix => 'df', format => 'json' });
- eval {
- run_rbd_command($cmd, errmsg => "rados error", errfunc => sub {}, outfunc => $parser);
- };
+ my ($d) = grep { $_->{name} eq $scfg->{pool} } @{$df->{pools}};
- my $total = $stats->{space} ? $stats->{space}*1024 : 0;
- my $free = $stats->{avail} ? $stats->{avail}*1024 : 0;
- my $used = $stats->{used} ? $stats->{used}*1024: 0;
+ # max_avail -> max available space for data w/o replication in the pool
+ # bytes_used -> data w/o replication in the pool
+ my $free = $d->{stats}->{max_avail};
+ my $used = $d->{stats}->{stored} // $d->{stats}->{bytes_used};
+ my $total = $used + $free;
my $active = 1;
return ($total, $free, $used, $active);
return 1;
}
+my $get_kernel_device_name = sub {
+ my ($pool, $name) = @_;
+
+ return "/dev/rbd/$pool/$name";
+};
+
+sub map_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname) = @_;
+
+ my ($vtype, $img_name, $vmid) = $class->parse_volname($volname);
+
+ my $name = $img_name;
+ $name .= '@'.$snapname if $snapname;
+
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $kerneldev = $get_kernel_device_name->($pool, $name);
+
+ return $kerneldev if -b $kerneldev; # already mapped
+
+ # features can only be enabled/disabled for image, not for snapshot!
+ $krbd_feature_update->($scfg, $storeid, $img_name);
+
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'map', $name);
+ run_rbd_command($cmd, errmsg => "can't map rbd volume $name");
+
+ return $kerneldev;
+}
+
+sub unmap_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname) = @_;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+ $name .= '@'.$snapname if $snapname;
+
+ my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd';
+
+ my $kerneldev = $get_kernel_device_name->($pool, $name);
+
+ if (-b $kerneldev) {
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'unmap', $kerneldev);
+ run_rbd_command($cmd, errmsg => "can't unmap rbd device $kerneldev");
+ }
+
+ return 1;
+}
+
sub activate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
+ my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
+
+ $class->map_volume($storeid, $scfg, $volname, $snapname) if $scfg->{krbd};
+
return 1;
}
sub deactivate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
+ my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
+
+ $class->unmap_volume($storeid, $scfg, $volname, $snapname);
+
return 1;
}
sub volume_resize {
my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
- return 1 if $running;
+ return 1 if $running && !$scfg->{krbd}; # FIXME???
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
- my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--size', ($size/1024/1024), $name);
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--allow-shrink', '--size', ($size/1024/1024), $name);
run_rbd_command($cmd, errmsg => "rbd resize '$volname' error");
return undef;
}
sub volume_snapshot {
- my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
-
- return 1 if $running;
+ my ($class, $scfg, $storeid, $volname, $snap) = @_;
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name);
- run_rbd_command($cmd, errmsg => "rbd snapshot $volname to $snap' error");
+ run_rbd_command($cmd, errmsg => "rbd snapshot $volname to '$snap' error");
}
sub volume_snapshot_delete {
my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
- return 1 if $running;
+ return 1 if $running && !$scfg->{krbd}; # FIXME: ????
+
+ $class->deactivate_volume($storeid, $scfg, $volname, $snap, {});
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+ my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap);
+ if ($protected){
+ my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap);
+ run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error");
+ }
+
my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name);
run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error");
return undef;
}
+sub volume_snapshot_needs_fsfreeze {
+
+ return 1;
+}
+
sub volume_has_feature {
my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
my $features = {
snapshot => { current => 1, snap => 1},
- clone => { base => 1},
+ clone => { base => 1, snap => 1},
template => { current => 1},
copy => { base => 1, current => 1, snap => 1},
+ sparseinit => { base => 1, current => 1},
};
my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
projects / pve-storage.git / blobdiff